ci: add performance compare

.github/workflows/performance_compare.v

@@ -0,0 +1,148 @@
+import net.http
+import sync.pool
+import time
+import vibe
+import cli
+import os
+
+pub struct GetResult {
+	error_kind ?GetError
+}
+
+enum GetError {
+	request_err
+	status_err
+}
+
+fn std_request(mut pp pool.PoolProcessor, idx int, wid int) &GetResult {
+	url := pp.get_item[string](idx)
+
+	start := time.new_stopwatch()
+	defer { println('  ${url}: ${start.elapsed()}') }
+
+	mut req := http.Request{
+		url:    'https://${url}'
+		method: .get
+	}
+	req.add_header(.user_agent, 'net-vibe-perf-test/0.0.1')
+
+	resp := req.do() or {
+		eprintln('    Failed to get: "${url}": ${err}')
+		return &GetResult{.request_err}
+	}
+	if resp.status_code != 200 {
+		eprintln('    Failed to get success response: "${resp.status}"')
+		return &GetResult{.status_err}
+	}
+
+	// println('    Response content length: ${resp.body.len}')
+
+	return &GetResult{}
+}
+
+fn vibe_request(mut pp pool.PoolProcessor, idx int, wid int) &GetResult {
+	url := pp.get_item[string](idx)
+
+	start := time.new_stopwatch()
+	defer { println('  ${url}: ${start.elapsed()}') }
+
+	mut req := vibe.Request{
+		headers: {
+			.user_agent: 'net-vibe-perf-test/0.0.1'
+		}
+	}
+
+	resp := req.get('https://${url}') or {
+		eprintln('    Failed to get: "${url}": ${err}')
+		return &GetResult{.request_err}
+	}
+	if resp.status != 200 {
+		eprintln('    Failed to get success response: "${resp.status}"')
+		return &GetResult{.status_err}
+	}
+	// println('    Response content length: ${resp.body.len}')
+
+	return &GetResult{}
+}
+
+fn prep_urls(single_host bool, request_num int) ![]string {
+	return if single_host {
+		base := 'google.com/search?q='
+		[]string{len: request_num, init: base + index.str()}
+	} else {
+		urls := 'https://gist.githubusercontent.com/ttytm/b2c6e348dac6b3f0ffa150639ad94211/raw/0823f71f18d5567d231dabbafe4ad22d006f0e61/100-popular-urls.txt'
+		resp := http.get(urls)!
+		resp.body.split_into_lines()[..request_num]
+	}
+}
+
+fn main() {
+	mut app := cli.Command{
+		name:       'net-vibe-perf-test'
+		posix_mode: true
+		execute:    run
+		flags:      [
+			cli.Flag{
+				name:          'request-num'
+				flag:          .int
+				abbrev:        'r'
+				default_value: ['100'] // Currently the maximium number is capped by the number of prepared urls.
+			},
+			cli.Flag{
+				name:   'single-host'
+				flag:   .bool
+				abbrev: 's'
+			},
+			cli.Flag{
+				name: 'use-vibe'
+				flag: .bool
+			},
+		]
+	}
+	app.parse(os.args)
+}
+
+fn run(cmd cli.Command) ! {
+	single_host := cmd.flags.get_bool('single-host')!
+	use_vibe := cmd.flags.get_bool('use-vibe')!
+	request_num := cmd.flags.get_int('request-num')!
+
+	mut urls := prep_urls(single_host, if request_num < 100 { request_num } else { 100 })!
+
+	start := time.new_stopwatch()
+
+	mut pp := pool.new_pool_processor(
+		callback: if use_vibe { vibe_request } else { std_request }
+	)
+	pp.work_on_items(urls)
+
+	results := pp.get_results[GetResult]()
+	mut request_errs, mut status_errs := 0, 0
+	for v in results {
+		err_kind := v.error_kind or { continue }
+		if err_kind == GetError.request_err {
+			request_errs++
+		} else {
+			status_errs++
+		}
+	}
+
+	mod := if use_vibe { 'vibe' } else { 'net.http' }
+	host_details := if single_host { ', single host' } else { '' }
+	res := '
+┌–––––––––––––––––––––––––––––––––––––––––––––––––––––––––┐
+ Results for "${mod}"${host_details}
+ –––––––––––––––––––––––––––––––––––––––––––––––––––––––––
+ Requests: ${results.len}, Request errors: ${request_errs}, Status errors: ${status_errs}
+ Total time: ${start.elapsed()}
+└–––––––––––––––––––––––––––––––––––––––––––––––––––––––––┘
+'
+	println(res)
+	if os.getenv('GITHUB_JOB') != '' {
+		os.system('echo ``` >> \$GITHUB_STEP_SUMMARY')
+		for l in res.split_into_lines() {
+			os.system("echo '${l}' >> \$GITHUB_STEP_SUMMARY")
+		}
+		os.system("echo '```' >> \$GITHUB_STEP_SUMMARY")
+	}
+}

.github/workflows/performance_compare.yml

@@ -0,0 +1,101 @@
+name: Performance comparison
+
+on:
+  workflow_dispatch:
+  # TODO: remove
+  push:
+
+jobs:
+  setup:
+    if: github.ref_name != 'main'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: macos-latest
+            v_archive: v_macos_arm64.zip
+          - os: ubuntu-latest
+            v_archive: v_linux.zip
+          - os: windows-latest
+            v_archive: v_windows.zip
+      fail-fast: false
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Setup V
+        run: |
+          curl -LO https://github.com/vlang/v/releases/latest/download/${{ matrix.v_archive }}
+          if [[ $RUNNER_OS == "Windows" ]]; then
+            7z x ${{ matrix.v_archive }}
+          else
+            unzip -o ${{ matrix.v_archive }}
+          fi
+          mv v ~/v
+          ~/v/v symlink
+      - run: v -showcc self && v doctor
+      - uses: actions/checkout@v4
+        with:
+          path: vibe
+      - name: Setup V module
+        run: |
+          mv vibe ~/.vmodules/vibe
+          ~/.vmodules/vibe/curl/setup.vsh --silent
+      - name: Save cache
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            ~/v
+            ~/.vmodules
+          key: ${{ matrix.os }}-${{ github.sha }}
+
+  compare:
+    needs: setup
+    if: ${{ !cancelled() }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+      fail-fast: false
+    steps:
+      - name: Restore cache
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+            ~/v
+            ~/.vmodules
+          key: ${{ matrix.os }}-${{ github.sha }}
+          fail-on-cache-miss: true
+      - uses: actions/checkout@v4
+      - name: Setup V
+        run: ~/v/v symlink
+      - name: Run comparison
+        if: runner.os != 'Windows'
+        run: |
+          v -cc gcc -prod -o pc .github/workflows/performance_compare.v
+          ./pc -r 25 --single-host
+          ./pc -r 25 --single-host --use-vibe
+          ./pc -r 50 --single-host
+          ./pc -r 50 --single-host --use-vibe
+          ./pc -r 25
+          ./pc -r 25 --use-vibe
+          ./pc -r 50
+          ./pc -r 50 --use-vibe
+          ./pc -r 100
+          ./pc -r 100 --use-vibe
+      - name: Run comparison (Windows)
+        if: runner.os == 'Windows'
+        shell: cmd
+        run: |
+          set PATH=%PATH%;%USERPROFILE%\.vmodules\vibe\curl\libcurl\bin
+          v -cc gcc -prod -o pc.exe .github\workflows\performance_compare.v
+          pc.exe -r 25 --single-host
+          pc.exe -r 25 --single-host --use-vibe
+          pc.exe -r 50 --single-host
+          pc.exe -r 50 --single-host --use-vibe
+          pc.exe -r 25
+          pc.exe -r 25 --use-vibe
+          pc.exe -r 50
+          pc.exe -r 50 --use-vibe
+          pc.exe -r 100
+          pc.exe -r 100 --use-vibe